Home / 47,982.78-72,006.30-16,818.03

Finding the Fourth Proportional to 47,982.78, 72,006.30 and 16,818.03

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Solution

The fourth proportional to 47,982.78, 72,006.30 and 16,818.03 is: 25,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.78 : 72,006.30 = 16,818.03 : x
  2. Step 2: Convert to fraction form
    47,982.78/72,006.30 = 16,818.03/x
  3. Step 3: Cross multiply
    47,982.78x = 72,006.30 × 16,818.03
  4. Step 4: Simplify right side
    47,982.78x = 1,211,004,113.59
  5. Step 5: Solve for x
    x = 1,211,004,113.59/47,982.78
  6. Step 6: Final answer
    x = 25,238.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.